Heated insoles is tested before shipment and this inspection is completed based on regular QC Evaluation, or depending upon customer requirements. Samples are selected and inspected for flaws at random, according to those criteria and procedures. For all those, Pre-Shipment Inspection is an important measure in the quality management procedure and is the method for checking the quality of heated insoles until they're sent.

Dongguan S-King Insoles Limited has become the top good feet insoles manufacturer. S-King Insoles's hallux valgus correction series are created based on unremitting efforts. This product enjoys a long service life. The materials used in it, including active materials and electrolyte, feature high stability. To prevent the growth of odor, the S-King PU insoles have been given anti-bacterial treatment. S-King has been developing arch support socks introducing advanced technology which has revolutionized plantar fasciitis arch support field. Ergonomically designed, S-King insoles are comfortable to use.

We take part in various environmental certifications, such as those that assure consumers that goods they purchase from us are packaged in materials that have been obtained through sustainable and responsible means.